It may not be as creamy as sugar-packed desserts like ice cream, but at 25 calories per serving, sugar-free gelatin is a great substitute for satisfying your sweet tooth.

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1 Calorie: Radish

How much? 1 radish

They're not just a garnish, especially if you want to shed a few pounds! Radishes are extremely low in calories, high in fiber, and break down more slowly in your digestive system—keeping you fuller longer.

Burn, baby, burn! Studies shows these fiery little peppers can help you torch fat faster. Plus, the folate and vitamin B6 found in these flavor-filled vegetables can reduce swelling in arteries, helping to reduce your risk of heart disease.

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3 Calories: Cauliflower

How much? 1 floret

These crunchy florets are filled to the brim with belly-filling fiber. And if you're ever craving the creamy taste of mashed potatoes but don’t want the fat and calories, try this raw mashed potato recipe —100 percent made from cauliflower!

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4 Calories: Strawberry

How much? 1 strawberry

Strawberries serve up some big health benefits! According to researchers at the University of Warwick, snacking on this popular summer treat can help prevent heart disease and diabetes. Mike Roussell, Ph.D, and SHAPE Diet Doctor columnist, suggests using berries as the base for a healthy smoothie. They add tons of flavor for very few calories, the mark of all the best foods for weight loss.

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5 Calories: Scallion

How much? 1 scallion

Scallions, also known as green onions, are the perfect low-calorie, low-sodium, and fat-free flavor addition to almost any meal. Plus, research shows that scallions (along with onions and garlic) can help reduce inflammation and your risk of some cancers. Add chopped scallions to omelets, salads, or stir-fries. You can go crazy—100g of fresh leaves is just 31 calories!

Thanks to Popeye's bulging biceps, this leafy green is best known for its muscle-building power. But spinach is also a rich source of plant-based omega-3s and folate, which help reduce your risk of heart disease, stroke, and osteoporosis. Aim for 1 cup fresh spinach or 1/2 cup cooked per day.

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8 Calories: Dill Pickle

How much? 1 pickle

Pickles offer a completely guilt-free way to satisfy a salty, crunchy craving. And it's super easy to make your own: thinly slice cucumbers and douse them in rice vinegar. That's it!

"Cucumbers only have 16 calories per cup and the rice vinegar only adds 1 calorie per teaspoon but tons of flavor," says Chicago nutritionist Dawn Jackson Blatner, R.D.

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9 Calories: Hearts of Palm

How much? 1 hearts of palm, canned

They may not be the most common vegetables, but these white wonders should be a staple in your diet! With minimal calories, loads of fiber, and a delicious artichoke-like flavor, they're a great addition to any meal.

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10 Calories: Romaine Lettuce

How much? 1 cup

Not all lettuce is created equal. Choose Romaine as the base for your salad and you'll not only add a variety of textures and flavors to your meal, but also a big hit of nutritional value. Extremely low in calories and high in water content, Romaine lettuce is an excellent source of vitamin A, vitamin K, folate, and vitamin C.

This low-calorie, high-fiber veggie is a great food for weight loss and overall health. But did you know asparagus can also help prevent a bad hangover? According to Korean researchers, asparagus helps boost levels of a key enzyme that breaks down alcohol. Cheers to that!

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13 Calories: Broccoli

How much? 1 floret

You know broccoli is healthy—it's low in calories and loaded with calcium. Another reason to love the fibrous veggie? It helps fight cancer! A 2011 study published in Molecular Nutrition and Food Research found that one of the primary chemicals in broccoli and other cruciferous vegetables selectively targets and kills cancer cells.

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14 Calories: Cucumber

How much? 1 cup, diced

A cucumber is about 90 percent water, making it an ideal snack for when you're trying to slim down. It's also the perfect ingredient for refreshing summer side dishes like this Sicilian Orange-Cucumber Salad.

Lemons deliver some surprising health benefits. Studies show that the scent of lemon oil can actually create a greater sense of concentration, while increasing alertness. Lemons also contain pectin, a soluble fiber that has been shown to help with weight loss—so add some lemon to your water to feel fuller and prevent between-meal munchies.

We've touted bok choy (one type of cabbage) as an excellent food for weight loss, but it's just one of literally hundreds of cabbage varieties that deliver fantastic health benefits. For maximum rewards, cook your cabbage by steaming. Research shows that steamed cabbage retains more cancer-fighting enzymes than raw or microwave versions.

Opt for organic, and go for the big juicy kind. Then slice it up for a healthy, weight-loss inducing Caprese salad.

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23 Calories: Hummus

How much? 1 tbsp

Hummus adds flavor and protein to veggie dishes without a lot of extra calories. Plus, the fiber and antioxidants found in this Middle Eastern bean dip have lasting health effects. Try these out-of-the-box ways to enjoy hummus. Just be mindful of portion control, as this is one healthy food that's easy to overdo!

It may not be as creamy as sugar-packed desserts like ice cream, but at 25 calories per serving, sugar-free gelatin is a great substitute for satisfying your sweet tooth.

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26 Calories: Olives

How much? 5 olives

Olives are packed with nutrients and make a super satisfying snack. Add them to salads for a healthy dose of monounsaturated fats, which can help prevent heart disease and stroke by lowering levels of bad cholesterol and raising levels of the good stuff. At just 26 calories for five olives, it's easy to keep your diet in check.

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27 Calories: Plum

How much? 1 plum

Plums, part of the stone fruit family, contain compounds that work in your cells to protect against aging and disease. They also have anti-diabetic and anti-obesity properties. AND they're delicious. At just 27 calories each, it's a win win win!

Pineapple contains a potent mix of vitamins, antioxidants, and enzymes that make it a powerful inflammation fighter. Enjoy 1/2 cup two or three times a week—it's perfect for when your sweet tooth starts to bite.

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29 Calories: Star Fruit

How much? 1 star fruit

When you're bored with apples and oranges, spice things up with the tart and slightly sweet star fruit. It's an excellent source of vitamin C and naturally free of sodium and cholesterol—all reasons why we included star fruit on this list of the best foods for weight loss.

Popcorn lands in a variety of spots along the calorie spectrum. Order a bag at the movies and you'll easily take in an entire meal's worth of calories before the final credits, not to mention the 17 grams of fat from the butter. On the other hand, air-popped versions (sans toppings) make a great low-calorie, high-fiber snack.

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32 Calories: Leeks

How much? 1 cup, cooked

Leeks belong to the same vegetable family as garlic and onions, so they boast many of the same health benefits like fighting inflammation that can lead to heart disease. The tasty, affordable, and versatile veggie adds a lot of flavor to dishes without a lot of calories. Plus, because they're high in fiber, they aid in digestion.

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33 Calories: Brussels Sprouts

How much? 1/2 cup, cooked

Registered dietitian Alexandra Oppenheimer from New York calls Brussels sprouts "nutrition cannonballs." And for a good reason. With just 10 calories, 1/2 gram of fiber, and 1/2 gram of protein per sprout, they'll keep you satisfied while eating fewer calories. Just don't sabotage your healthy dish by cooking them with too much oil or bacon. (We love this simple roasted Brussels sprouts recipe!)

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34 Calories: Snow Peas

How much? 1/2 cup, cooked

Snow peas are great for snacking because they don't require any shelling. And since almost 25 percent of snow pea's calories come from protein, they'll keep you full and help stave off between-meal munchies. Enjoy them raw or try tossing them into your next stir-fry.

Called "lady fingers" for their shape and size, this veggie also produces a substance called "mucilage," which is beneficial to digestion. The substance binds with toxic acid that the liver releases into the digestive system, helping to eliminate it from the body.

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37 Calories: Apple

How much? 1/2 apple

We all know the old adage, "an apple a day keeps the doctor away," but is it really true? Science says, yes! According to research from Florida State University, apples are truly a "miracle fruit" that lower cholesterol to fight heart disease, the No. 1 killer of men and women.

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38 Calories: Peach

How much? 1 peach

Few things are more refreshing on a hot summer's day than biting into a sweet, juicy peach. And with nearly 3 grams of fiber, it's a great way to satisfy between-meal hunger. To dress up your peach for a super delicious dessert, slice it up and drizzle 1 tablespoon of honey on top. It's the perfect summer treat for just 100 calories.

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39 Calories: Grapefruit

How much? 1/2 grapefruit

This tasty tropical fruit is a great snack for weight loss. It's high in water content to keep you hydrated and contains a healthy dose of vitamin C. What's more, studies show grapefruit may help promote weight loss by reducing insulin levels and boosting metabolism. Reason enough to add half a grapefruit to breakfast? We think so!

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40 Calories: Green Beans

How much? 1 cup

Don't be fooled by their rich green color. Green beans are a great source of colorful pigments like carotenoids, the same powerful antioxidants found in carrots and tomatoes. For maximum flavor and nutrition, cook green beans whole by steaming them.

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41 Calories: Tomato Juice

How much? 1 cup

Tomato juice is king when it comes to fruit juices. The antioxidant punch of the lycopene in tomatoes helps fight free radicals, an excess of which can raise high blood pressure and speed up the aging process. Just be sure to choose low sodium tomato juice—many varieties have more than a third of your daily sodium allotment in a single serving.

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42 Calories: Raisins

How much? 1 small packet

Raisins are extremely versatile—they're easy to grab as an on-the-go snack, sprinkle on a salad, or add to your morning oatmeal. They also provide a hit of antioxidants, which help maintain a strong immune system.

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43 Calories: Cherries

How much? 10 cherries

Loaded with nutrients that help promote detoxification and powerful antioxidants that help boost immunity, cherries can help fight off damaging free radicals. Free radicals can slow us down and can make weight-loss programs challenging.

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44 Calories: Tangerine

How much? 1 tangerine

Low in calories and high in fiber, tangerines are already an excellent food for weight loss, but since they also deliver a healthy dose of vitamin C, they're even better than once thought! A 2005 study published in the Journal of the American College of Nutrition found that increased vitamin C consumption promoted more fat burning during exercise. Thus, tangerine and other vitamin C-rich foods may help you slim down faster!

Watermelon will fill you up without excess calories due to its high water content . It's also great for satisfying sweet cravings without guilt. Try this chilled watermelon gazpacho for a truly hydrating and delicious dish.

Nosh on this root vegetable to boost brainpower. Scientists at Wake Forest University determined that natural nitrates in beets can increase blood flow to the brain, thereby improving mental performance.

Keep these low-calorie foods nearby to reach your weight-loss goals

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Next time you're hungry, try one (or more) of these low-cal picks without guilt.